Home / 563,839.50-778,050.37-318,812.24

Finding the Fourth Proportional to 563,839.50, 778,050.37 and 318,812.24

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Solution

The fourth proportional to 563,839.50, 778,050.37 and 318,812.24 is: 439,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,839.50 : 778,050.37 = 318,812.24 : x
  2. Step 2: Convert to fraction form
    563,839.50/778,050.37 = 318,812.24/x
  3. Step 3: Cross multiply
    563,839.50x = 778,050.37 × 318,812.24
  4. Step 4: Simplify right side
    563,839.50x = 248,051,981,292.53
  5. Step 5: Solve for x
    x = 248,051,981,292.53/563,839.50
  6. Step 6: Final answer
    x = 439,933.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.